William

An up-all-night slice of Halloween horror for fans of Stephen King, Black Mirror, and Frankenstein

By: Mason Coile

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Paperback | 20 January 2026 | Edition Number 1

At a Glance

Paperback
224 Pages

Dimensions(cm)
19.7 x 12.9 x 2.1

Paperback

RRP $22.99

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William is a devour in up-all-night thriller which is Black Mirror meets Frankenstein with a dash of Stephen King

*An up-all-night slice of Halloween horror, perfect for fans of Stephen King, Black Mirror, and Frankenstein*

'[A] timely spin on fears about AI developing consciousness . . . a diabolically disguised twist will bring you up short. Sleep tight' The Times

Henry, a brilliant but reclusive engineer, has achieved the crowning discovery of his career: he's created an artificially intelligent consciousness. He names the half-formed robot William.

But there's something strange about William. It is the way he looks at Henry's pregnant wife, Lily.

As William's fixation with Lily grows and threatens to bring harm to their house, Henry has no choice but to destroy him. But William isn't gone. In this smartest of smart homes, William becomes a haunting presence.

He lurks behind each locked door. You can hear him muttering in the eaves of the attic. He is whispering in Henry's head. And he will be the one to take control . . .

'Its chilling final twist will have you turning directly back to the first page' Mail on Sunday

About the Author

Mason Coile was a pseudonym of Andrew Pyper, the award-winning author of William and ten other novels including The Demonologist, which won the International Thriller Writers Award, and Lost Girls, which was a New York Times bestseller and Notable Book of the Year.

Industry Reviews

Best thing I've read this year. WILD. Frankenstein meets Rosemary's Baby with hints of Shirley Jackson. Just superb. Unsettling in the most beautiful way

A book that probes at the fears for our future and provokes the terrors of our pasts - William asks, if the things we make reflect us, what does that say about what we are? Also - it's f***ing terrifying

Mason Coile's William is twisted, timely, scarily intelligent, and menacing even before it reveals its greatest, darkest secrets

Dark, clever, and terrifying, I devoured Coile's novel. If you're not afraid of AI now, you will be after William

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